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Business Details
33 Years
experience
Trusted Building Materials Supplier in Granite City
Established in 1993, Mattingly Lumber has grown from a small lumber yard into a trusted provider of comprehensive building materials and solutions for professional builders. Our expertise spans engineered floor joists, roof trusses, wall panels, interior doors and trim, and custom millwork, all delivered with a commitment to quality, efficiency, and sustainability. We prioritize precision design, leveraging advanced technology like Mitek software to ensure structural integrity and ease of installation. By maintaining control over every stage of production in-house, we guarantee consistent quality and eliminate third-party dependencies.

Our dedication to sustainable practices reduces material waste, protecting both client budgets and the environment. As a St. Louis community cornerstone, we support local initiatives like St. Judes Dream Home Giveaway, reinforcing our dual focus on customer and community success. With reliable delivery services across the region, we streamline construction projects from foundation to finish.
Services
Engineered Floor Joists Interior Doors and Trim Wall Panels Roof Trusses Floor Trusses Loose Framing Materials Custom Millwork Cheltenham Partnership
Details
  • Year established: 1993
Highlights and features
  • We offer all-in-one convenience for framing solutions under one roof.
  • All products are built in-house, ensuring quality control and consistency.
  • Our sustainable practices reduce material waste and protect client budgets.
  • We support local community initiatives like St. Judes Dream Home Giveaway.
  • Our St. Louis presence since 1993 demonstrates long-term reliability and expertise.
Services
Engineered Floor Joists
Our engineered floor joists combine advanced Mitek software design with precision manufacturing for unmatched stability and efficiency. Lightweight yet durable, they resist warping and shrinkage while speeding up installation compared to traditional framing. Ideal for residential and commercial projects demanding squeak-free, long-lasting floors.
Roof Trusses
Custom-designed roof trusses offer superior strength and adaptability for diverse architectural styles. Expertly engineered for stability, they ensure structural integrity while accommodating complex designs. Streamlined delivery keeps projects on schedule, meeting exacting standards for durability and aesthetics.
Custom Millwork
Handcrafted millwork solutions add distinctive finishing touches to interiors and exteriors. From intricate porches to decorative shutters, our skilled artisans create bespoke elements tailored to architectural specifications. Quality materials and attention to detail ensure lasting beauty and functionality.
Wall Panels
Precision-crafted wall panels streamline construction with factory-assembled components. Available in diverse styles to match architectural requirements, they ensure consistent quality and rapid installation. High-performance materials deliver durability while minimizing on-site waste and labor costs.
Loose Framing Materials
Premium-grade lumber and framing components meet rigorous quality standards for structural reliability. Bulk quantities are carefully selected for dimensional accuracy and strength, supporting efficient project execution across residential and commercial applications without compromising on durability.
Questions
What areas does Mattingly Lumber deliver to?
We provide reliable delivery services across the St. Louis metropolitan area and surrounding regions for all our building materials and components.
Do you offer installation services?
While we focus on manufacturing and supplying components, our partnership with Cheltenham Construction Services offers crane operations and professional installation support for select projects.
Can I get custom-designed components?
Yes, our engineering team creates custom solutions for floor joists, trusses, wall panels, and millwork to meet specific project requirements and architectural designs.
Are your materials sustainable?
Our wall panels and truss systems utilize cutting-edge design to minimize waste, reducing environmental impact while maximizing material efficiency for clients' projects.
What sets Mattingly apart from other lumber suppliers?
We combine comprehensive in-house manufacturing with a commitment to quality control, sustainability, and local community support that differentiates our service approach.